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- Title
Boldine promotes stemness of human urine-derived stem cells by activating the Wnt/β-catenin signaling pathway.
- Authors
Qiao, Yinggu; Shen, Liangliang; Zhang, Yixue; Zhou, Ming; Sun, Zhenxiao
- Abstract
Human urine-derived stem cells (hUSCs) process self-renewal and multilineage differentiation ability. Due to their non-invasive and easily available clinical source, hUSCs represent a promising alternative source of mesenchymal stem cells (MSCs) for application potential in cytotherapy. However, technical limitations, such as stemness property maintenance, have hindered hUSCs' clinical application. Certain some small molecules have been recognized with advantage in maintaining the stemness of stem cells. In this study, we identified stemness-regulated key targets of hUSCs based on the StemCellNet database, CMAP database and literature mining. Furthermore, we identified a small molecule compound, boldine, which may have the potential to promote the stemness of hUSCs. It promotes cell proliferation, multilineage differentiation and maintains stemness of hUSCs by cell viability assay, single-cell clone formation, osteogenic differentiation and stemness marker expression (OCT-4 and C-MYC). We identified that boldine may be a potential GSK-3β inhibitor by molecular docking and confirmed that it can upregulate the level of β-catenin and promote translocation of β-catenin into nucleus of hUSCs using Western blotting and immunofluorescence analysis. Our study indicates boldine activates the Wnt/β-catenin signaling pathway in hUSCs and provides an effective strategy for MSCs research and application of small molecules in maintaining the stemness of hUSCs.
- Subjects
HUMAN stem cells; WNT signal transduction; CELLULAR signal transduction; MESENCHYMAL stem cells; SMALL molecules; BONE growth; WESTERN immunoblotting; URINE
- Publication
Molecular & Cellular Biochemistry, 2024, Vol 479, Issue 2, p243
- ISSN
0300-8177
- Publication type
Article
- DOI
10.1007/s11010-023-04721-3